Improvement in coal-oil motors



F. BRGER.

COAL-OIL MOTOR. No, 170,813, Patented Dec. 7,1875.

N.PETERS, IQHOTO-LIYHDGRAFHER, WASHINGTON. D. C.

,I E v G.

WITNE S SE S UNITED STATES PATENT OFFICE..

FRANZ Bultena, oE WASHINGTON, D. c., AssieNoE or oNEHALF E1s EIGHT To sAMUEL N. EoYT, on 4sAME PLACE.

IMPROVEMENT IN COAL-OiL MOTORS.

Specification formingr part of Letters Patent'No. 170,8 l 3, dated December 7, 1875 'application led November 16, `1875.

To all whom it 'may concern:

Be it known that I, FRANZ BRGER, of the city of Washington, in the District of Columbia, have invented a new and useful Improvement in Coal-Oil Motors, which improvement is fully set forth in the following specification, reference being had to the accompanying drawings, in which- Figure l is a vertical central section of the cylinder, with a front view of the other parts, of my improved machine. Fig. 2 is a side view of my ilnproved machine, with the said cylinder in section. Figs. 3, 4, 5, 6 are bottom views of the cylinder, representing the diii'erent positions of the oscillating valveplate, by which the operation of my machine is governed. Fig. 7 is a top view of the valveplate.

My invention relates to motors which are operated through the explosion of atmospheric air mixed with coal-oil, and through a vacuum formed by the cooling off of the gases resulting from the explosion; and itconsists of a steam-cylinder surrounded by cold water, and provided at its bottom with inlets for coal-oil and atmospheric air, an exhaust-hole, and an opening with a light valve for the admission of a flame from a lamp outside of the cylinder, and an oscillating valve-plate with corresponding opening, which, is operated bya cam on the crank-shaft of the machine and a lever-arm, 'and which, by its thereby effected oscillations, opens and closes the said openings inthe bottom of the cylinder succes sivel y, and admits to or exhausts from the cyl-k inder the material necessary for the operation ot' the machine, and also, by'excludin g the atmospherei'rorn the cylinder atthe return stroke of the piston, causes the forma-tion of a vacuum in the cylinder.

In .the drawings, A represents a cylinder made of metal, and open at the top; B, a piston, and G a connecting-rod, operating the crank D of a main shaft, E. The cylinder A is surrounded by another cylinder, F, and the space between is lilled with a constant supply Y of cold water to keep the cylinder A cool.

The bottom G of the cylinder A is provided with the openings a b c d. The opening a serves for the admission of coal-oil, the pening b for the admission of atmospheric air, 0 for the admission of the llame ot' a lamp, H, and d for the exhaustion of the burnt gases.

The coal-oil is conducted through a sieve, a',

of the quantity of the supply, conducts the coaloil from a reservoir to the opening a.. Atmospheric air is conducted through a pipe, J, with a regulating-cock, J', to the opening b. The opening cis provided with a valve, c', which opens upward, and is light enough to be lifted by the pressure of the atmosphere, when the air within the cylinder becomes rareed by the upward movement of the piston. 0n the bottom of the cylinder A, and nicely fitted to it, is the oscillating valveplate K, which, by means of the central piu L and the rocker-arm M, is connected with cam-lever N and the cam O on the main shaft E. The lower end n of the cam-lever N moves in the slot m of the rocker-arm M, and the upper end n' is provided with a roller, o, which is caused by the tension-spring P to bear on the surface of the cam O, and thereby receive its motion. The lever N is pivoted to the frame of the machine at a'point, N. The valve-plate K is provided with the openings e f g, for the purpose of admitting or exhausting the materials necessary for the operation of the machine. When the piston B arrives near its lowest level the position of the valve K isas seen in Fig. 5, with the opening e above the exhaust-hole d of the cylinder. 'lhe piston finishes its down-stroke while the exhaust remains open. As soon as the piston rises the exhaust is closed, and the holes al and b are opened by the movement of the valve K, as seen in Fig. 6.v The upward movement of the piston B causes the atmospheric air and the coal-oil to rush into the cylinder A with great force, and to commingle very rapidly, forming thereby a well-known explosive compound, which, by another movement of' the,

valve K, whereby the openings a and b are closed, and c opened, as seen in Figs. 1 and 3, and the ilame of the lamp H is drawn into the cylinder throughthe suction created by the rising piston B, isignitednd explodes., @losing `threyvalve c', and driving the pistonB upV `ratus and an independent air-inlet, whereby oil and air-are commingled Within the cylinder,

substantially as set forth.

2. The combination of the open-end cylinder, the pistoniworking in thesame, the-oscillating valve in the bottom thereof, and p rovided .with a Screen-@Bumaandpnings for the admission' 0f Vair for the flame and exhaust, and the oil and air inlet pipes, 'all substantially as set forth.

3. The upward-opening valve c in the opening C inthe bottom of the cylinder, in combination with rthe air-inlet pipe, the piston, the oscillating valve,and the lamp, all substantially as set forth.

4. The open-,end cylinder, the Water-jacket surrounding the same, the piston, the oscillating valve, with its openings ef g,'the valve c', air and oil inlet pipes I J, lamp H, in combination with the shaft E, arm D, piston-rod C, cam crank-arm lever N, and rocker-arm M, having slot m, all constructed and arranged substantially as set forth.

FRANZ .BREE- Witnesses.: Y

SAMUEL N. HOYT,

Timms Q., 'GQNNQLLL 

